package com.ymcloud.core.security.utils;

import com.ymcloud.common.constant.HttpStatus;
import com.ymcloud.common.exception.ServiceException;
import com.ymcloud.core.security.domain.LoginUser;
import com.ymcloud.pojo.entity.User;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;

/**
 * @PackageName: com.ymcloud.core.security.utils
 * @ClassName: SecurityUtils
 * @Author: Yemiao
 * @CreateTime: 2025-07-26  00:25
 * @Description: 安全服务工具类
 */
public class SecurityUtils {

    /**
     * 获取Authentication
     */
    public static Authentication getAuthentication() {
        return SecurityContextHolder.getContext().getAuthentication();
    }

    /**
     * 获取登录用户
     */
    public static LoginUser getLoginUser() {
        try{
            return (LoginUser) getAuthentication().getPrincipal();
        }catch (Exception e){
            throw new ServiceException("获取登录用户信息异常", HttpStatus.UNAUTHORIZED);
        }
    }

    /**
     * 获取当前用户
     */
    public static User getUser() {
        try {
            return getLoginUser().getUser();
        }catch (Exception e){
            throw new ServiceException("获取当前用户异常", HttpStatus.UNAUTHORIZED);
        }
    }

    /**
     * 获取当前用户名
     */
    public static String getUsername() {
        try{
            return getLoginUser().getUsername();
        }catch (Exception e){
            throw new ServiceException("获取当前用户名异常", HttpStatus.UNAUTHORIZED);
        }
    }

    /**
     * 获取当前用户id
     */
    public static Long getUserId() {
        try{
            return getUser().getId();
        }catch (Exception e){
            throw new ServiceException("获取用户ID异常", HttpStatus.UNAUTHORIZED);
        }
    }

    /**
     * 判断是否为管理员
     */
    public static Boolean isAdmin(){
        LoginUser loginUser = getLoginUser();
        return loginUser.getUser().getId() == 1L || loginUser.getRoles().contains("ADMIN");
    }

    /**
     * 判断是否为超级管理员
     */
    public static Boolean isSuperAdmin(Long userId){
        return userId == 1L;
    }

    /**
     * 生成BCryptPasswordEncoder密码
     *
     * @param password 密码
     * @return 加密字符串
     */
    public static String encryptPassword(String password) {
        BCryptPasswordEncoder passwordEncoder = new BCryptPasswordEncoder();
        return passwordEncoder.encode(password);
    }

    /**
     * 判断密码是否相同
     *
     * @param rawPassword 真实密码
     * @param encodedPassword 加密后字符
     * @return 结果
     */
    public static boolean matchesPassword(String rawPassword, String encodedPassword) {
        BCryptPasswordEncoder passwordEncoder = new BCryptPasswordEncoder();
        return passwordEncoder.matches(rawPassword, encodedPassword);
    }

}
